999973343 has 2 divisors, whose sum is σ = 999973344. Its totient is φ = 999973342.

The previous prime is 999973327. The next prime is 999973357. The reversal of 999973343 is 343379999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999973343 - 2⁴ = 999973327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999970343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499986671 + 499986672.

It is an arithmetic number, because the mean of its divisors is an integer number (499986672).

Almost surely, 2^999973343 is an apocalyptic number.

999973343 is a deficient number, since it is larger than the sum of its proper divisors (1).

999973343 is an equidigital number, since it uses as much as digits as its factorization.

999973343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4960116, while the sum is 56.

The square root of 999973343 is about 31622.3551146969. The cubic root of 999973343 is about 999.9911142544.

The spelling of 999973343 in words is "nine hundred ninety-nine million, nine hundred seventy-three thousand, three hundred forty-three".